Four Seasons 54865 A/C Evaporator Core - Rear
OE Quality 60-Day Returns
Four Seasons
 Evaporator Core

Four Seasons 54865 A/C Evaporator Core - Rear

Brand Four Seasons 54865
Position Rear
Core Depth Fraction 2-7/8
Core Depth MM 73.025
Core Height Fraction 6
Core Height MM 152.400
Core Width Fraction 9-1/4
Core Width MM 234.950
Depth 2.875
Depth 3.000
Description Evaporator Cores
Height 6.000
Height 6.500
Height 9.3125
Inlet Fitting Outside Diameter No. 8
Inlet Fitting Type Male Insert O-Ring
Material Aluminum
O-Ring A Number/Desc [24608] / Green O-Ring
O-Ring B Number/Desc [24610] / Green O-Ring
Outlet Fitting Outside Diameter No. 10
Outlet Fitting Type Female O-Ring
Type Plate & Fin
Width 6.000
Width 9.250
Product line Evaporator Core
Fits Cadillac, Chevrolet, and GMC · 10 vehicles

Plate and fin design. Promotes efficient airflow through the evaporator core.

Aluminum construction. Helps keep the core lightweight and corrosion resistant.

O-ring fittings. Male insert and female connections support a secure seal.

Cross-references Four Seasons 54865, Global Parts Distributors LLC 4711824 and Spectra Premium 1010037 for the same application. See all 18.

$96.38Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $96.38
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all A/C Evaporator Core options

Rear A/C Evaporator Core for GM SUVs

Four Seasons 54865 is a rear A/C evaporator core built for select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon applications. It uses an aluminum plate-and-fin construction with OE-style inlet and outlet fitting types for a direct replacement approach in rear HVAC service.

Key Features

  • Four Seasons Evaporator Core line, part number 54865
  • Aluminum plate-and-fin construction
  • Core dimensions: 9-1/4 in. width, 6 in. height, 2-7/8 in. depth
  • Inlet fitting: No. 8 male insert O-ring
  • Outlet fitting: No. 10 female O-ring
  • Includes OE-style green O-ring service points referenced as [24608] and [24610]

Product Details

This Four Seasons evaporator core is specified for rear HVAC use and is sized for the listed GM SUV applications. The 54865 evaporator core measures 234.950 mm wide, 152.400 mm high, and 73.025 mm deep, giving technicians the dimensional reference needed when matching the replacement to the original rear air conditioning unit. The plate-and-fin aluminum design supports efficient heat transfer in the evaporator section of the system.

Compatible With 1999-2000 Cadillac Escalade, rear; 1997-2000 Chevrolet Tahoe, rear; and 1997-2000 GMC Yukon, rear. This part cross-references Spectra Premium 1010037 for the same application.

Common Repair Uses

  • Replacing a leaking rear evaporator core
  • Restoring rear cabin cooling performance
  • Addressing refrigerant loss from corroded or damaged core passages
  • Correcting weak airflow temperature from the rear HVAC system
  • Repairing an evaporator that no longer holds pressure during A/C service

Installation Notes

Verify inlet and outlet fitting types, core dimensions, and rear HVAC configuration before installation. Recover the refrigerant, inspect the expansion valve and related seals, and replace any worn O-rings during reassembly. After installation, evacuate and recharge the system to the vehicle specification and check for leaks at the fittings and core connections.

Quality Assurance

Four Seasons supplies HVAC service parts with OE-style fitment references and application-specific dimensions to support accurate replacement selection. Part number 54865 is listed for the rear evaporator core applications shown above.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000CadillacEscalade——RearEvaporator Core
2000ChevroletTahoe5.7LV8RearEvaporator Core
2000GMCYukon5.7LV8RearEvaporator Core
1999CadillacEscalade——RearEvaporator Core
1999ChevroletTahoe——RearEvaporator Core
1999GMCYukon——RearEvaporator Core
1998ChevroletTahoe——RearEvaporator Core
1998GMCYukon——RearEvaporator Core
1997ChevroletTahoe——RearEvaporator Core
1997GMCYukon——RearEvaporator Core
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 54865Global Parts Distributors LLC — 4711824Spectra Premium — 1010037UAC — EV6962PFXC970591569622884947069417701910147668837701911115486512472427A88499CWK770191EP1019EV6962PFCT54865